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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/resource/resource_bundle_win.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/utf_string_conversions.h"
#include "ui/base/layout.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/resource/resource_data_dll_win.h"
#include "ui/base/win/dpi.h"
namespace ui {
namespace {
HINSTANCE resources_data_dll;
HINSTANCE GetCurrentResourceDLL() {
if (resources_data_dll)
return resources_data_dll;
return GetModuleHandle(NULL);
}
FilePath GetResourcesPakFilePath(const std::string& pak_name) {
FilePath path;
if (PathService::Get(base::DIR_MODULE, &path))
return path.AppendASCII(pak_name.c_str());
// Return just the name of the pack file.
return FilePath(ASCIIToUTF16(pak_name));
}
} // end anonymous namespace
void ResourceBundle::LoadCommonResources() {
// As a convenience, add the current resource module as a data packs.
data_packs_.push_back(new ResourceDataDLL(GetCurrentResourceDLL()));
bool use_hidpi = false;
#if defined(ENABLE_HIDPI)
// If we're running in HiDPI mode at a scale larger than 150%, we switch
// to 2x resources for desktop layouts.
use_hidpi = ui::GetDPIScale() > 1.5;
#endif
switch (ui::GetDisplayLayout()) {
case ui::LAYOUT_TOUCH:
AddDataPack(GetResourcesPakFilePath("theme_resources_touch_1x.pak"),
ResourceHandle::kScaleFactor100x);
AddDataPack(GetResourcesPakFilePath("ui_resources_standard.pak"),
ResourceHandle::kScaleFactor100x);
break;
default:
if (use_hidpi) {
AddDataPack(GetResourcesPakFilePath("theme_resources_2x.pak"),
ResourceHandle::kScaleFactor200x);
AddDataPack(GetResourcesPakFilePath("ui_resources_2x.pak"),
ResourceHandle::kScaleFactor200x);
} else {
AddDataPack(GetResourcesPakFilePath("theme_resources_standard.pak"),
ResourceHandle::kScaleFactor100x);
AddDataPack(GetResourcesPakFilePath("ui_resources_standard.pak"),
ResourceHandle::kScaleFactor100x);
}
break;
}
}
gfx::Image& ResourceBundle::GetNativeImageNamed(int resource_id, ImageRTL rtl) {
// Flipped image is not used on Windows.
DCHECK_EQ(rtl, RTL_DISABLED);
// Windows only uses SkBitmap for gfx::Image, so this is the same as
// GetImageNamed.
return GetImageNamed(resource_id);
}
void SetResourcesDataDLL(HINSTANCE handle) {
resources_data_dll = handle;
}
HICON LoadThemeIconFromResourcesDataDLL(int icon_id) {
return ::LoadIcon(GetCurrentResourceDLL(), MAKEINTRESOURCE(icon_id));
}
} // namespace ui;
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